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United States Patent | 5,239,783 |
Matechuk | August 31, 1993 |
A motorized rotary sander is provided with an efficient dust pick-up system which particularly adapts it to drywall sanding. The abrasive discs used in the system are designed to provide an improved finish on drywall and similar surfaces. The discs are quickly and easily replaced by virtue of the bayonet type fastening system. The combination results in a highly efficient drywall sanding device which requires minimum skill on the part of the user and can produce superior results.
Inventors: | Matechuk; William (Apartment 314, 20 Bradman Avenue, St. Catharines, Ontario, CA) |
Appl. No.: | 901694 |
Filed: | June 22, 1992 |
Current U.S. Class: | 451/354; 451/359; 451/456 |
Intern'l Class: | B24B 023/00; B24B 055/06 |
Field of Search: | 51/170 R,170 T,273,170 PT,170 MT,170 TL |
1700331 | Jan., 1929 | Perks | 51/168. |
4124956 | Nov., 1978 | Levinson | 51/273. |
4590713 | May., 1986 | Yasui | 51/170. |
4782632 | Nov., 1988 | Matechuk | 51/180. |